Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6050368 | Procedure and apparatus for controlling the hoisting motor of an elevator | Arvo Pakarinen | 2000-04-18 |
| 5798490 | Procedure and apparatus for determining the position of an elevator car | Olavi Vairio, Seppo Suur-Askola | 1998-08-25 |